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Some risk factors for vitamin B12 deficiency include: Old age Atrophic gastritis (a condition that damages the stomach lining) Certain health conditions and medications A vegan or vegetarian diet How Do I Know If My Vitamin B12 Levels Are Low
K-means clustering Five clusters were used for k-means clustering, per the results of the sum of squared estimate of errors curve, on the ASV relative abundance data with clustering by animal (n = 25)
if youre breastfeeding, 2.8 micrograms
Metabolic analysis as a driver for discovery, diagnosis, and therapy
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